Ingredients Meatballs: 2 pounds ground beef 1 cup breadcrumbs 1 large onion, shredded or finely chopped 2 large eggs ½ teaspoon garlic powder Salt and pepper, to taste Sweet and Sour Sauce: 3 tablespoons rice vinegar ⅓ cup brown sugar, packed 1 cup chicken broth (low sodium) ⅓ cup ketchup…